MAAS Follow-Up

Fri Dec 2 19:39:52 UTC 2016

To be more step-by-step descriptive:

 * use a commissioning script to configure any hardware RAID volumes
   - or do it manually with a rescue mode boot
 * recommission to discover the final volumes
 * design the filesystem structure you want (i.e. which is the boot/root)
 * install as per usual

Mark

On 02/12/16 11:18, Scott Moser wrote:
> On Wed, 30 Nov 2016, Joe Arnet wrote:
>
>> To be more specific, I know I can use MAAS with cloud-init to configure
>> non-boot hardware raid arrays/config. My concern is getting the os image
>> installed to the boot volume *after* a hardware raid volume is created
>> for it (the boot volume). Currently most of our new server builds are
>> configured with 3 hardware raid arrays (of hdd’s), 1 for boot, the other
>> 2 for storage, if it matters.
> MAAS and curtin should support this.  You'll just need to design the disk
> layout that you want for the node (you can do this interactively in the
> maas UI).
>
> Then, before booting for the first time everything should be set up
> correctly.
>
>
>> Regards,
>>
>> Joe Arnet
>> Sr. System Administrator
>>
>> 317 Maynard • Ann Arbor, MI 48104
>> o: 734-887-2973  | m: 734-645-4073 | jarnet at barracuda.com<mailto:jarnet at barracuda.com>
>> Connect with us: barracuda.com/connect<http://www.barracuda.com/connect>
>>
>> [id:image001.png at 01D20538.68CCB7C0]
>>
>>
>> From: <jorge.castro at gmail.com> on behalf of "Jorge O. Castro" <jorge.castro at canonical.com>
>> Date: Wednesday, November 30, 2016 at 10:28 AM
>> To: Joe Arnet <jarnet at barracuda.com>
>> Cc: Marco Ceppi <marco.ceppi at canonical.com>, "maas-devel at lists.ubuntu.com" <maas-devel at lists.ubuntu.com>
>> Subject: Re: MAAS Follow-Up
>>
>> Adding in the maas list for this one:
>>
>> On Tue, Nov 29, 2016 at 1:51 PM, Joe Arnet <jarnet at barracuda.com<mailto:jarnet at barracuda.com>> wrote:
>> It’s been awhile since I’ve used cloud-init, but I don’t believe it’s possible to create raid arrays for the “volume” you’ve just booted from. In my understanding, cloud-init takes over after the os image has been laid down/installed and upon first reboot post-install. In any case, I’ll read upon cloud-init to see if anything has changed, but I thought getting the raid array setup would occur before installing the os image, in a perfect world.
>>
>> Regards,
>>
>> Joe Arnet
>> Sr. System Administrator
>>
>> 317 Maynard • Ann Arbor, MI 48104
>> o: 734-887-2973<tel:(734)%20887-2973>  | m: 734-645-4073<tel:(734)%20645-4073> | jarnet at barracuda.com<mailto:jarnet at barracuda.com>
>> Connect with us: barracuda.com/connect<http://www.barracuda.com/connect>
>>
>> [cid:image002.png at 01D24AF5.86ECBB30]
>>
>>
>> From: <jorge.castro at gmail.com<mailto:jorge.castro at gmail.com>> on behalf of "Jorge O. Castro" <jorge.castro at canonical.com<mailto:jorge.castro at canonical.com>>
>> Date: Tuesday, November 22, 2016 at 3:34 PM
>> To: Joe Arnet <jarnet at barracuda.com<mailto:jarnet at barracuda.com>>
>> Cc: Marco Ceppi <marco.ceppi at canonical.com<mailto:marco.ceppi at canonical.com>>
>> Subject: Re: MAAS Follow-Up
>>
>> I've found out that this card is listed in our certified hardware database, so it should work out of the box: https://certification.ubuntu.com/catalog/component/scsi/4637/scsi%3AMR9271-8i/
>>
>> There are some ways you can do this:
>>
>> On installation by using cloud-init, where you can define storage: https://cloudinit.readthedocs.io/en/latest/topics/examples.html#disk-setup
>> Or just have puppet do it: https://cloudinit.readthedocs.io/en/latest/topics/examples.html#setup-and-run-puppet
>>
>> or you can call puppet post-first-boot in the post-commissioning script. If you're planning on using RAID for the root disk then doing it in cloud-init is probably the way to go.
>>
>> Let me know if you have any follow on questions.
>>
>> On Tue, Nov 22, 2016 at 9:55 AM, Joe Arnet <jarnet at barracuda.com<mailto:jarnet at barracuda.com>> wrote:
>> Gentleman,
>>
>> Thanks so much again for taking time to talk to us about MAAS. Before we start a POC, I’m curious as to if you found any answers/information about what it can do with our LSI/Avago raid cards (specifically I think it’s the commissioning script portion – can we get one to make an array on a hardware raid card as part of the process). Thanks!
>>
>> Regards,
>>
>> Joe Arnet
>> Sr. System Administrator
>>
>> 317 Maynard • Ann Arbor, MI 48104
>> o: 734-887-2973<tel:734-887-2973>  | m: 734-645-4073<tel:734-645-4073> | jarnet at barracuda.com<mailto:jarnet at barracuda.com>
>> Connect with us: barracuda.com/connect<http://www.barracuda.com/connect>
>>
>> [cid:image003.png at 01D24AF5.86ECBB30]
>>
>>
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>> Considering Office 365? Barracuda security and storage solutions can help. Learn more about Barracuda solutions for Office 365 at http://barracuda.com/office365.
>>
>> DISCLAIMER:
>> This e-mail and any attachments to it contain confidential and proprietary material of Barracuda, its affiliates or agents, and is solely for the use of the intended recipient. Any review, use, disclosure, distribution or copying of this transmittal is prohibited except by or on behalf of the intended recipient. If you have received this transmittal in error, please notify the sender and destroy this e-mail and any attachments and all copies, whether electronic or printed.
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